#include "stdafx.h"
#include"CLiEllipse.h"
#include"EastDrawView.h"
IMPLEMENT_SERIAL(CLiEllipse,CUnit,1)
void CLiEllipse::DrawStatic(CDC*pDC)
{  
	CPen m_pen;
	CBrush m_brush;
	int oldDrawingMode=pDC->SetROP2(this->m_DrawingMode);
	m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
	CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
	LOGBRUSH brushlog;
	brushlog.lbColor=m_BrushColor;
	brushlog.lbHatch=m_BrushHatch;
	brushlog.lbStyle=m_BrushStyle;
	
	m_brush.CreateBrushIndirect(&brushlog);
	SetBrushOrg(pDC,&m_brush);
	CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
	
	int OldBkMode=pDC->SetBkMode(m_BkMode);
	COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
	pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
	pDC->SelectObject(brush);
	pDC->SelectObject(pen);
	pDC->SetBkMode(OldBkMode);
	pDC->SetBkColor(OldColor);
	pDC->SetROP2(oldDrawingMode);
	
}
CLiEllipse::CRoundRectangle()
{
	Initial();
	//m_Shape=0;
	m_BrushStyle=BS_HOLLOW;
	m_BrushHatch=HS_CROSS;
	
}
void CLiEllipse::Serialize(CArchive &ar)
{
	CUnit::Serialize(ar);
    if(ar.IsStoring())
	{
		ar<<m_BrushStyle<<m_BkMode<<m_BrushHatch<<m_BrushColor;
	}
	else
	{
		ar>>m_BrushStyle>>m_BkMode>>m_BrushHatch>>m_BrushColor;
	}
	
}
BOOL CLiEllipse::IsInRgn(CPoint point)
{
	
	CPoint FirstPoint;
	CPoint SecondPoint;
	FirstPoint.x=m_FirstPoint.x<m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
	FirstPoint.y=m_FirstPoint.y<m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
	SecondPoint.x=m_FirstPoint.x>m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
	SecondPoint.y=m_FirstPoint.y>m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
	m_FirstPoint=FirstPoint;
	m_SecondPoint=SecondPoint;
	
	CRgn rgn1;
	rgn1.CreateEllipticRgn(m_FirstPoint.x-4,m_FirstPoint.y-4,m_SecondPoint.x+4,m_SecondPoint.y+4);
    CRgn rgn2;
	rgn2.CreateEllipticRgn(m_FirstPoint.x+4,m_FirstPoint.y+4,m_SecondPoint.x-4,m_SecondPoint.y-4);
	
	return rgn1.PtInRegion(point)&&!rgn2.PtInRegion(point);
	
}
int CLiEllipse::IsOnMarginPoint(CPoint point)
{
	
	
	CRect rect(point,point);
	rect.InflateRect(CSize(4,4));
	if(rect.PtInRect(CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y)))
	{   
		this->m_FoundPoint=CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y);
		return 1;
	}
	if(rect.PtInRect(CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2)))
	{
		this->m_FoundPoint=CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2);
		return 2;
	}
	if(rect.PtInRect(CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y)))
	{    
		this->m_FoundPoint=CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y);
		return 3;
	}
	if(rect.PtInRect(CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2)))
	{
		this->m_FoundPoint=CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2);
		return 4;
	}
	if(rect.PtInRect(CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2)))
	{   
		this->m_FoundPoint=CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2);
		return 5;
	}
	
	return 0;
	
}

void CLiEllipse::ShowSelectPoint(CDC *pDC)
{
	CBrush brush;
	brush.CreateSolidBrush(RGB(0,0,255));
	CPen m_pen;
	m_pen.CreatePen(PS_SOLID,1,RGB(0,0,255));
	CPen *OldPen=pDC->SelectObject(&m_pen);
	int oldBkMode=pDC->SetBkMode(OPAQUE); 
	CBrush *OldBrush=pDC->SelectObject(&brush);
	int oldDrawingMode=pDC->SetROP2(R2_NOTXORPEN);
	CRect rect;
	rect.SetRect(CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y),CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y));
	rect.InflateRect(3,3);
	pDC->Rectangle(rect);
	rect.SetRect(CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2),CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2));
	rect.InflateRect(3,3);
	pDC->Rectangle(rect);
	rect.SetRect(CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y),CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y));
	rect.InflateRect(3,3);
	pDC->Rectangle(rect);
	rect.SetRect(CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2),CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2));
	rect.InflateRect(3,3);
	pDC->Rectangle(rect);
	rect.SetRect(CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2),CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2));
	rect.InflateRect(3,3);
	pDC->SelectObject(OldBrush);
	brush.DeleteObject();
	brush.CreateSolidBrush(RGB(255,0,0));
	pDC->SelectObject(&brush);
	pDC->Rectangle(rect);
	pDC->SelectObject(OldPen);
	pDC->SetBkMode(oldBkMode); 
	pDC->SelectObject(OldBrush);
	pDC->SetROP2(oldDrawingMode);
	
}

void CLiEllipse::DrawActive(CDC *pDC,CPoint point)
{
	CPen m_pen;
	CBrush m_brush;
	
	m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
	CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
	LOGBRUSH brushlog;
	brushlog.lbColor=m_BrushColor;
	brushlog.lbHatch=m_BrushHatch;
	brushlog.lbStyle=m_BrushStyle;
	
	m_brush.CreateBrushIndirect(&brushlog);
	SetBrushOrg(pDC,&m_brush);
	CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
	
	int OldBkMode=pDC->SetBkMode(m_BkMode);
	COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
	pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
	pDC->SelectObject(brush);
	pDC->SelectObject(pen);
	pDC->SetBkMode(OldBkMode);
	pDC->SetBkColor(OldColor);
	
}

void CLiEllipse::OnLButtonDown(CDC *pDC, CEastDrawView *pView, CPoint point)
{
	if(m_HaveFindFirst)
	{
		pView->L_iPointCount=IsOnMarginPoint(point);
		if(pView->L_iPointCount!=0)
		{
			pView->m_bHaveFindSecond=true;
			pView->m_CurrentDrawTool=LiEllipse_Tool;
			pView->m_CurrentDrawStatus=Change_Status;
			
			switch(pView->L_iPointCount)
			{
			case 1:
				pView->m_FirstPoint=m_SecondPoint;
				pView->m_SecondPoint=m_FirstPoint;
				break;
			case 2:
				
				pView->m_FirstPoint=m_FirstPoint;
				pView->m_SecondPoint=m_SecondPoint;
				break;
			case 3:
				
				pView->m_FirstPoint=m_FirstPoint;
				pView->m_SecondPoint=m_SecondPoint;
				break;
				
			case 4:
				
				pView->m_FirstPoint=m_SecondPoint;
				pView->m_SecondPoint=m_FirstPoint;
				break;
				
			case 5:
				pView->m_FirstPoint=m_FirstPoint;
				pView->m_SecondPoint=m_SecondPoint;
				pView->m_CurrentDrawTool=LiEllipse_Tool;
				pView->m_CurrentDrawStatus=Drag_Status;
				break;
			}
		}//******if(L_iPointCount!=0)
	}//*************if(L_pLiEllipse->m_HaveFindFirst)
	
	if(!pView->m_bHaveFindSecond&&IsInRgn(point))
	{
		if(!m_HaveFindFirst)
		{
			m_HaveFindFirst=true;
			pView->m_bHaveFindFirst=true;
			ShowSelectPoint(pDC);
		}
		else
		{
			m_HaveFindFirst=false;
			pView->m_bHaveFindFirst=true;
			ShowSelectPoint(pDC);
		}
	}
	
	if(pView->m_bHaveFindSecond)
	{   
		pView->m_pCurrentUnit=this;
		m_DrawingMode=pDC->GetROP2();
		DrawStatic(pDC);
		ShowSelectPoint(pDC);
		DrawOldReferencePoint(pDC,m_FoundPoint);
	}
	
}

void CLiEllipse::OnMouseMove(CDC *pDC, CEastDrawView *pView, CPoint point)
{
    if(pView->m_CurrentDrawStatus==Drag_Status)
	   {
		m_FirstPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
        m_SecondPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);   
	}  
	else{
		
		this->DrawActive(pDC,point);
		pView->m_SecondPoint=point;
		m_SecondPoint=pView->m_SecondPoint;
		this->DrawActive(pDC,point);
	}
}
